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The two groups differ in the composition of the cell wall and the lipids in the cell membrane. 3. ... Organelles contribute to efficiency in eukaryotic cells because they concentrate the biochemicals needed for chemical reactions so that the reactions proceed more rapidly.
Vacuoles are vesicles<span> that contain mostly water and are found in plant cells. They transport water in and out of the cell. ... Transport </span>vesicles<span> work primarily with the endoplasmic reticulum and the Golgi apparatus. They transport molecules such as proteins and fats in between these two organelles.</span>